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US20090092955A1 - Tooth brushing pattern analyzing/modifying device, method and system for interactively modifying tooth brushing behavior - Google Patents

Tooth brushing pattern analyzing/modifying device, method and system for interactively modifying tooth brushing behavior Download PDF

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Publication number
US20090092955A1
US20090092955A1 US11/919,745 US91974506A US2009092955A1 US 20090092955 A1 US20090092955 A1 US 20090092955A1 US 91974506 A US91974506 A US 91974506A US 2009092955 A1 US2009092955 A1 US 2009092955A1
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United States
Prior art keywords
tooth brushing
user
pattern
tooth
analyzing
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Abandoned
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US11/919,745
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English (en)
Inventor
Jin-Sang Hwang
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Xiusolution Co Ltd
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Xiusolution Co Ltd
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Assigned to XIUSOLUTION CO., LTD. reassignment XIUSOLUTION CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HWANG, JIN-SANG
Publication of US20090092955A1 publication Critical patent/US20090092955A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
    • A46B15/0004—Arrangements for enhancing monitoring or controlling the brushing process with a controlling means
    • A46B15/0006—Arrangements for enhancing monitoring or controlling the brushing process with a controlling means with a controlling brush technique device, e.g. stroke movement measuring device
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
    • A46B15/0004—Arrangements for enhancing monitoring or controlling the brushing process with a controlling means
    • A46B15/0008—Arrangements for enhancing monitoring or controlling the brushing process with a controlling means with means for controlling duration, e.g. time of brushing
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
    • A46B15/0038—Arrangements for enhancing monitoring or controlling the brushing process with signalling means
    • A46B15/004—Arrangements for enhancing monitoring or controlling the brushing process with signalling means with an acoustic signalling means, e.g. noise
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/221—Control arrangements therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/04—Measuring instruments specially adapted for dentistry
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/08—Insurance
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
    • G16H20/40—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
    • G16H40/20—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the management or administration of healthcare resources or facilities, e.g. managing hospital staff or surgery rooms
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1066—Toothbrush for cleaning the teeth or dentures

Definitions

  • One or more embodiments relate to a tooth brushing pattern analyzing and behavior correcting device used for forming correct tooth brushing behavior, and more particularly to a tooth brushing pattern analyzing and behavior correcting device, which can promote a user to form correct tooth brushing behavior by analyzing the user's tooth brushing behavior and allowing the results to be fed back to the user or a third person.
  • the embodiments relate to a method and a system for interactively correcting tooth brushing behavior, and more specifically to a method and a system for interactively correcting the user's tooth brushing behavior in real time.
  • Teeth are one of parts of the human body that are not reproduced naturally, and it goes without saying that correct dental care is important. Tooth brushing is the most basic method of correct dental care and can function not only to prevent tooth decay and gum disease but also as a remedy.
  • Tooth brushing functions not only to clean but also to make gums healthy by massaging the gums. Although it is most desirable to brush one's teeth after every meal, it is still effective and highly recommended to brush one's teeth at least after breakfast and before going to bed.
  • correct tooth brushing is to basically brush from gums to teeth rubbing up and down, as advised by dentists. That is, it is most preferable to brush from top to bottom when brushing the upper teeth and from bottom to top for the lower teeth.
  • Such a tooth brushing method can have an effect even when tooth brushing is carried out only for molar teeth on both sides of the oral cavity.
  • tooth brushing method is a method difficult to practice unless a person has been thoroughly educated and conventionalized since childhood, and it is true that most people have poor recognition of this.
  • a tooth brushing method used as a basic method by most people will be discussed.
  • the tooth brushing method is to brush their teeth in horizontally, i.e. in a front to rear direction.
  • Such a tooth brushing method has the problem of the teeth getting worn away in some cases, and the occurrence of various kinds of diseases due to unnecessary stimuli.
  • Korean Utility Model Publication No. 2002-0037916 as prior art related thereto, there is disclosed a toothbrush in which a single pendulum for indicating the number of tooth brushing strokes is installed in the handle part of the toothbrush so as to correct tooth brushing behavior and prevent tooth decay. Since such a method does not provide a correct tooth brushing method, it cannot prevent abrasion of teeth or development of gum diseases.
  • the conventional techniques focus on simply imparting a user's tooth brushing behavior and simply measuring the time or the number of strokes while a user brushes his/her teeth.
  • a pattern of whether a user brushes his/her teeth correctly or incorrectly is not sensed and accordingly, appropriate feedback for inducing correct tooth brushing behavior is also not provided.
  • an embodiment has been made to solve the above-mentioned problems occurring in the prior art, and an aspect is to provide a device and a method for analyzing tooth brushing pattern and correcting tooth brushing behavior, which can be combined with a tooth brush to analyze a user's tooth brushing pattern while a user carries out simple tooth brushing.
  • Another aspect of the embodiments discussed herein enables a user to easily estimate his/her own tooth brushing pattern by providing the user with feedback of the user's analyzed tooth brushing pattern.
  • another aspect is to provide a system for analyzing a tooth brushing pattern, which can allow a third party (parent, teacher, dentist) to precisely analyze a user's tooth brushing pattern to effectively correct the user's tooth brushing pattern.
  • Another aspect is to provide a method and a system for interactively correcting tooth brushing behavior, which enables a user to naturally form correct tooth brushing behavior by interactively correcting the user's tooth brushing behavior in real time.
  • a further aspect is to provide a method and a system for interactively correcting tooth brushing behavior, which enables a user to naturally maintain an effective tooth brushing time by providing multimedia that is of interest to the user while the user brushes his/her teeth.
  • Still a further aspect discussed herein is to provide a method and a system for interactively correcting tooth brushing behavior, which can enhance compliance through which a user can recognize how important correct tooth brushing behavior is by providing in real time a material screen displaying information on the negative effects of bad tooth brushing behavior.
  • Yet a further aspect discussed herein is to provide a method and a system for interactively correcting tooth brushing behavior, which can monitor the personal health condition throughout one's life by incorporating the analyzed results of a user's daily tooth brushing behavior into a database.
  • Yet another aspect discussed herein is to provide a method and a system for interactively correcting tooth brushing behavior, wherein data on the user's monitored tooth brushing behavior and an oral cavity health condition is sent in real time to an oral cavity care center connected on-line so that a remote oral cavity health consultation is possible on the basis of this data.
  • a tooth brushing pattern analyzing/correcting device having a tooth brushing pattern analyzer, which includes: a body part formed in the same direction as a toothbrush surface; a sensing unit having a sensor with at least one or more axes for sensing a user's tooth brushing motion and a sensor with one or more axes for sensing two or more tooth brushing positions; and a controller for operating signals input from the sensing unit to divide the user's tooth brushing motion into at least two or more patterns and at least two or more tooth brushing parts.
  • a tooth brushing pattern analyzing/correcting device which includes: a body part formed in the same direction as the toothbrush surface; a sensing unit having a sensor with at least one or more axes for sensing a user's tooth brushing motion and a sensor with one or more axes for sensing two or more tooth brushing positions; a controller for operating signals input from the sensing unit to classify a user's tooth brushing motion into at least two or more patterns and at least two or more tooth brushing parts; a storing unit for storing estimated data; and an output unit for outputting stored data.
  • a tooth brushing pattern analyzing method which includes the steps of: sensing a user's tooth brushing pattern to generate and store measurement data; generating result data by comparing/operating the measurement data and guide data in accordance with a preset tooth brushing pattern; and analyzing and storing the result data.
  • the tooth brushing pattern analyzing method may further include: informing of the start of tooth brushing on a user's demand; and outputting a preset tooth brushing part and/or the number of tooth brushing strokes for each part as voice or in text form.
  • the step of storing the measurement data may include a step of sensing a user's tooth brushing part and/or the number of tooth brushing strokes for each part to store them.
  • the tooth brushing pattern analyzing method may further include: analyzing and outputting the result data by comparing/operating the measurement data and the guide data such that the user's tooth brushing pattern is estimated for each operation.
  • a method of an embodiment includes: detecting the beginning of a user's tooth brushing; displaying a guiding screen in response to the beginning of a user's tooth brushing; detecting a user's tooth brushing pattern; analyzing the user's detected tooth brushing pattern; and providing a tooth brushing correction screen in a direction for increasing compliance in accordance with the analyzed result.
  • the guiding screen is an image for guiding the user to a correct tooth brushing method, which may be configured by overlapping the user's favorite image material with tooth brushing guide information.
  • a correct tooth brushing order may be displayed at one side of the screen with background of a favorite animation if user is a child, the day's news or a sports image may serve as a background for adults, and a soap opera for housewives.
  • the tooth brushing correction screen may include a warning about a user's tooth brushing method, correct tooth brushing method, and advice for medical treatment plan/schedule and oral cavity health prevention/management off-line.
  • Such guiding and tooth brushing correction screens may be renewed periodically, e.g. by the day, week or month.
  • the detected tooth brushing pattern is any one or more of information on the direction of a user's tooth brushing, tooth brushing stroke/elapsing time, toothbrush velocity and oral cavity condition.
  • the analyzed result of the tooth brushing pattern includes any one or more of estimations for a user's good/bad tooth brushing pattern, tooth brushing score, compliance, progressive trend and oral cavity health condition.
  • a system of an aspect of embodiments discussed herein includes: a tooth brushing pattern analyzing/correcting device for detecting a user's tooth brushing pattern; and a smart bath for providing a user with a guiding screen in communication with the tooth brushing pattern analyzing/correcting device, analyzing the user's received tooth brushing pattern, and providing a tooth brushing correction screen in a direction for increasing compliance in accordance with the analyzed result.
  • the tooth brushing pattern analyzing/correcting device and the smart bath are connected to each other wire/or wireless to transmit and receive detected tooth brushing pattern data.
  • the smart bath may include a smart mirror combined with a bathroom mirror to be used as a mirror for general use and display the guiding screen and the tooth brushing correction screen in a display mode. Further, the smart bath may further include a toothbrush disinfector for keeping the tooth brushing pattern analyzing/correcting device therein, and the toothbrush disinfector detects in-use and in-storing modes of the tooth brushing pattern analyzing/correcting device to detect a presence of use of a user's tooth brushing pattern analyzing/correcting device for each identification code. Furthermore, the smart bath may further include an oral cavity camera for photographing a user's oral cavity, and the oral cavity camera is kept in the toothbrush disinfector in a form identical with the tooth brushing pattern analyzing/correcting device.
  • a system for a service provider which includes: a tooth brushing pattern analyzing/correcting device for detecting a user's tooth brushing pattern; a smart bath for providing a user with a guiding screen in communication with the tooth brushing pattern analyzing/correcting device, analyzing the user's received tooth brushing pattern, and providing a tooth brushing correction screen in a direction for increasing compliance in accordance with the analyzed result; and an oral cavity care center connected to the smart bath so as to periodically provide contents such as the guiding and correcting screens and manage a user's tooth brushing behavior data uploaded from the smart bath.
  • the care center relays a link between a contents provider and the smart bath to provide the contents or a link between an affiliated hospital and the smart bath to provide a user with dental treatment consultation.
  • FIG. 1 is a view showing a configuration of a tooth brushing pattern analyzing/correcting device according to an embodiment
  • FIGS. 2 and 3 are views illustrating operation of an embodiment of a sensing unit in the tooth brushing pattern analyzing/correcting device according to an embodiment
  • FIGS. 4 and 5 illustrate output waveforms of the sensing unit according to
  • FIG. 6 is a view illustrating operation of another embodiment of a sensing unit in the tooth brushing pattern analyzing/correcting device
  • FIG. 7 illustrates tooth brushing motional directions for the embodiment of FIG. 6 in the tooth brushing pattern analyzing/correcting device
  • FIG. 8 illustrates an output waveform of the sensing unit in the embodiment of FIG. 6 ;
  • FIG. 9 is a flowchart illustrating an operation of a tooth brushing pattern analyzing/correcting device according to an embodiment
  • FIGS. 10 and 11 are flowcharts illustrating an operation of a tooth brushing pattern analyzing/correcting device according to another embodiment, FIG. 10 is an entire flowchart and
  • FIG. 11 is a flowchart illustrating the score calculation and storing routine of FIG. 10 ;
  • FIGS. 12 to 15 are flowcharts illustrating an operation of a tooth brushing pattern analyzing/correcting device according to a further embodiment
  • FIG. 16 is a chart illustrating a tooth brushing pattern analysis that can be implemented according to an embodiment
  • FIG. 17 is a block diagram of a system for correcting tooth brushing behavior according to an embodiment
  • FIG. 18 is a view showing the appearance of a smart bath according to an embodiment
  • FIG. 19 is a flowchart illustrating an entire control program of the smart bath according to an embodiment
  • FIGS. 20 and 21 are flowcharts illustrating an example of a correction program according to an embodiment
  • FIG. 22 is a view showing a tooth brushing state according to an embodiment.
  • FIG. 23 is a view illustrating a business model of a service provider according to an embodiment.
  • FIG. 1 is a view showing an embodiment in which a toothbrush is combined with a tooth brushing pattern analyzing/correcting device according to an exemplary embodiment.
  • the tooth brushing pattern analyzing/correcting device 100 includes a body part 130 combined with a toothbrush head 110 ; a sensing unit 128 built in the body part 130 to sense a signal for movement of a toothbrush moved through a user's tooth brushing; a memory 136 having data stored therein; a controller 132 for operating signals input from the sensing unit 128 to classify a user's tooth brushing operation into at least two or more patterns; and an output unit 180 for outputting result data.
  • the head 110 and a neck, which are configured in a single body 120 can be attachable/detachable to the body part 130 .
  • the sensing unit 128 may include a geomagnetic sensor 150 , a geomagnetic sensor driving circuit 152 , an acceleration sensor 154 , an acceleration sensor driving circuit 156 , an angular velocity sensor 158 and an angular velocity sensor driving circuit 160 as shown in FIG. 1 .
  • the sensing unit 128 may selectively use only one or two of these geometric, acceleration or angular velocity sensors, and may be configured as a combination of motion sensors capable of sensing human movement.
  • the sensing unit 128 is installed in a direction of the attaching/detaching part of the body part 130 connected to the toothbrush head 110 as close as possible so as to sense the movement of toothbrush bristles 112 moved through a user's tooth brushing as well as possible.
  • the tooth brushing pattern analyzing/correcting device is electrically operated.
  • the tooth brushing pattern analyzing/correcting device has a power driving circuit 142 inside the body part 130 and may be implemented with a battery 148 , a heavy electric machine (not shown) or an adaptor circuit (not shown).
  • the controller 132 of the tooth brushing pattern analyzing/correcting device 100 is connected to respective unit circuits so as to take charge of control entirely by performing a correction program that will be described later.
  • Memory 136 may store the correction program, various kinds of analysis data, audio message information and the like.
  • the output unit may include a speaker 138 and a display 140 .
  • the speaker 138 may generate a voice warning message, a warning beep and the like, and the display 140 may display warning characters, the number of measured strokes, an analyzed result or the like through characters or numbers on a liquid crystal display panel.
  • An communication module 144 may use a radio frequency technique, e.g. Bluetooth, Zegbee(802.15.4), WiFi, a radio LAN technique or the like.
  • the internal communication module 144 communicates with a communication module 226 of a smart bath 200 (see FIG. 17 ) to transmit a user's tooth brushing behavior analyzing data detected from the tooth brushing pattern analyzing/correcting device 100 and to receive related commands and data.
  • FIG. 2 is a view illustrating an operation of the sensing unit in the tooth brushing pattern analyzing/correcting device according to an exemplary embodiment, which shows tooth brushing directions.
  • the longitudinal direction of the tooth brushing pattern analyzing/correcting device 100 be an X axis
  • the lateral direction of the toothbrush head 110 be a Y axis
  • the longitudinal direction of the toothbrush bristle 112 be a Z axis.
  • the sensing unit 128 of the tooth brushing pattern analyzing/correcting device 100 has a three-axis (X, Y, Z) acceleration sensor 154 , a three-axis (X, Y, Z) angular velocity sensor 158 and a one-axis (Z) geometric sensor 150 will be described below.
  • FIG. 2 right and left can be classified using an accelerometer provided with a tilt function. Further, it can be identified whether teeth are brushed with parallel, perpendicular or rotatory motion with respect to the texture of the teeth for each part. Furthermore, it can be determined whether an inner side, upper surface or outer side is brushed.
  • the left and right front faces can be classified using a geometric meter, and clockwise and counterclockwise directions can be classified using an angular velocity meter. Tooth brushing parts of upper/lower teeth can be classified using the peak of a waveform. Thus, after having already set each part of the teeth and then a correct tooth brushing method for each of the parts, it is possible to perform estimation in accordance with this method.
  • FIG. 3 is a view illustrating an operation of the sensing unit in the tooth brushing pattern analyzing/correcting device, which shows positions of teeth.
  • a user contacts the toothbrush bristles of the toothbrush and a row of teeth with each other and then moves the toothbrush left and right, or up and down with his/her wrist as shown in FIG. 2 .
  • tooth brushing progresses as the toothbrush head, having the toothbrush bristles attached thereon, is moved with back-and-forth and rotational motions along the respective axes shown in FIG. 1 .
  • rotations of the x and y axes may be sensed through the angular velocity sensor, back-and-forth movements of the x and y axes may be sensed through the acceleration sensor 154 , and a rotation of the z axis may be ideally sensed through the geometric sensor 150 .
  • the directional axes of each of the sensors should be arranged constantly. Ideally correct tooth brushing methods for the respective parts of teeth and main sensing axes in accordance therewith are fully listed in the following Table 1.
  • each part of the teeth denotes a part shown in FIG. 3 .
  • FIGS. 4 and 5 illustrate output waveforms of the sensing unit according an exemplary embodiment.
  • these waveforms show a basic waveform from which the most desirable pattern of brushing molars can be extracted.
  • it is a desirable tooth brushing method to brush counterclockwise from a tooth's root at the inner side to a tooth's upper direction when brushing the part ⁇ circle around ( 3 ) ⁇ in FIG. 3 .
  • the waveform may be extracted with reference to the waveform of a y-axis angular velocity meter, and it can be determined whether the peak of the y-axis angular velocity meter is in clockwise or counterclockwise direction in accordance with its sharp direction.
  • this waveform is an example that can classify a correct tooth brushing pattern and a bad tooth brushing pattern for a molar part at which tooth decay is easily generated.
  • the waveform is a basic signal showing a bad tooth brushing pattern of ⁇ circle around ( 1 ) ⁇ and ⁇ circle around ( 2 ) ⁇ ; ⁇ circle around ( 3 ) ⁇ and ⁇ circle around ( 4 ) ⁇ parts in FIG. 3 for each of the parts (see Table 1), which are output signals of an accelerometer by Analog Device, Co., which partially has a tilt function as a DC component.
  • the waveforms in the upper graph are to show inappropriate tooth brushing behavior of brushing the parts ⁇ circle around ( 1 ) ⁇ and ⁇ circle around ( 2 ) ⁇ in a direction of the X axis
  • the waveforms in the lower graph are to show inappropriate tooth brushing behavior of brushing the parts ⁇ circle around ( 3 ) ⁇ and ⁇ circle around ( 4 ) ⁇ in a direction of the X axis. Since a difference between DC voltages is shown with the middle waveform as reference to when the motion of the toothbrush bristles is changed upward and downward, its position can be grasped.
  • the worst tooth brushing pattern can be simply classified when brushing one's molars, and a correct tooth brushing pattern or bad tooth brushing pattern can be sensed for each part as shown in FIG. 3 for example.
  • the sensing unit 128 of the tooth brushing pattern analyzing/correcting device 100 has a three-axis (X, Y, Z) acceleration sensor and a three-axis (X, Y, Z) geometric sensor will be described in embodiment 2.
  • respective tooth brushing positions may be classified, and tooth brushing motions may be classified in accordance with the classified positions.
  • the sensing unit is simply configured as only the three-axis acceleration and geometric sensors, this embodiment can monitor a variety of tooth brushing patterns occurring at several parts of various teeth.
  • the accelerometer may be MMA7260 (three-axis, 800 mV/g), purchasable from Freescale, and the geometric meter may be HMC1055 (three-axis, 1.0 mV/V/gauss). However, they are not limited thereto.
  • FIG. 6 is a view illustrating an operation of the sensing unit in the tooth brushing pattern analyzing/correcting device according to an embodiment, which shows respective tooth brushing positions.
  • FIG. 7 illustrates tooth brushing motional directions of the tooth brushing pattern analyzing/correcting device.
  • the tooth brushing positions may be classified into a total of 6 ways as follows: right A, center B and left C of the lower jaw part, and right A′, center B′ and left C′ of the upper jaw part corresponding thereto.
  • Each pair of the A and C parts there among has bottom surfaces with which food can be chewed while upper/lower teeth are arranged with each other.
  • each of the A(A′) and C(C′) parts may be divided into an outer surface ( 1 , 2 , 3 , 4 ), a bottom surface ( 5 , 6 ) and an inner surface (tongue side) ( 3 , 4 ).
  • each of the front parts B and B′ may be divided into inner and outer sides. The classification of a total of 16 positions of teeth is accomplished so that it can be grasped whether each of the parts of teeth is basically brushed.
  • tooth brushing motions occurring mainly at the respective positions are methods of horizontal scrub (perpendicular to the texture of the teeth), vertical sweeping (parallel to the texture of the teeth), rotation (clockwise/counterclockwise direction), vibration (fine vibration) and drawing a circle regardless of the classification of upper/lower teeth; and the aforementioned methods may be combined.
  • Each of the methods can be personally applied and recommended to be suitable depending on user's age and oral cavity condition.
  • a principle of sensing the position and tooth brushing motion for each position according to an embodiment.
  • a position movement can be sensed through the DC level of the geometric sensor H y .
  • the DC level of the accelerometer is also changed at the same time, a partial reference is possible. For example, when starting with B and moving to A or C, the DC level value of H y increases. Further, when moving (changing direction) from position A to C, the DC level value of H x is changed, the changed value is maintained, and it is determined that H y is changed at a time point where H x is changed, so that a movement is sensed.
  • Positions of 1, 5 and 3 (2, 6, 4) can be determined referring to DC levels of H x and H z in the geometric sensor and besides, the positions can be determined with a change in DC level of the accelerometer.
  • a waveform of the accelerometer Y has a large size.
  • a waveform of the accelerometer X has a large size.
  • a direction is determined referring to a waveform of H y or H x . If the waveform goes upward, it means that the direction is progressing from bottom to top, and vice versa. For drawing a circle, it can be determined with waveforms of X and Y axes in the accelerometer. Further, the angle of the toothbrush can be estimated from H x and H y , and it can be used in detecting a position.
  • FIG. 8 illustrates a waveform sensed when practically brushing one's teeth for each part, which is a waveform sensed when tooth brushing is consecutively performed at an interval of approximately 10 seconds or so for each part. Descriptions of waveforms at the respective intervals are as follows. The respective numerals of the waveforms correspond to the tooth brushing part numerals of FIG. 6 , respectively.
  • Waveform 1 A referential position is determined when a user starts to brush his/her teeth. The user is brushing upper and lower teeth (tooth brushing part 1 and 1 ′ in FIG. 6 ) on the front part of the teeth. The DC level is in the order A z >A y >A x and H z >H y >H x . Since the user is brushing up and down, the amplitude of A x is large. The angle of a toothbrush is almost horizontal.
  • Waveform 2 It is a wave form when the user brushes an outer surface 2 of the right lower teeth up and down. The user frequently brushes this part horizontally or vertically, and it is a part that the user often brushes more carefully since he/she considers it an important part in accordance with the dentist's instruction or personal intention. Since the user tends to brush his/her teeth while slightly opening his/her mouth when brushing this part, the angle of the toothbrush goes down at 30 to 45 degrees or so from the horizontal so that this waveform can be compared with other waveforms. While moving to the right side, the level of H y rises, and if it reaches a certain level, that certain level is maintained.
  • Embodiment 1 If the user brushes his/her teeth through the rotation method, a waveform identical with Embodiment 1 comes out so that it can be determined as to which part of the upper or lower teeth is brushed. Further, since the amplitude of A y increases when the user is brushing his/her teeth while closing his/her upper and lower teeth together, this can also be determined.
  • Waveform 3 The DC level of A x becomes higher than that of A y . As the user brushes his/her teeth back and forth, the amplitude of A y becomes high. At this time, the inclination angle of the toothbrush becomes higher than the inclination angle when is brushed part 2 .
  • Waveform 4 The level of H x rises, and the DC level is changed into the order A x >A y >A z . Since the user brushes his/her teeth up and down, the amplitude of A x becomes high. The reason why the level of Hx becomes high is that the inclination angle of the toothbrush is more mitigated when brushing part 4 than when brushing part 3 .
  • Waveform 5 It shows a waveform similar to the Waveform 2 .
  • the user When the user generally brushes his/her teeth at both sides as described in Waveform 2 , the user may brush them in back and forth; up and down; and in a rotatory motion while closing his/her upper and lower teeth.
  • a side stroke may be divided in two such that they are allocated to the tooth brushing positions 2 and 5 .
  • the waveform can be divided as described in Embodiment 1.
  • Waveform 6 Since the levels of H z and H x rise as the user brushes his/her teeth back and forth, the amplitude of A y increases.
  • Waveform 7 The amplitude of A x is large, the level of H x rises, and the level of H z falls.
  • Waveform 8 Although the level of H x is similar to Waveform 2 , a level difference of H x therefrom is large, and the level of H x is high. Further, the amplitude of A x is large.
  • Waveform 9 The level of H z falls. As the toothbrush becomes more inclined, the level of H x falls.
  • tooth brushing positions, tooth brushing strokes for each of the parts and tooth brushing patterns can be classified according to the same method as described above.
  • Other parts that are not sensed may all be processed as “Unknown” and as such they are recognized as bad tooth brushing patterns.
  • FIG. 9 is a flowchart illustrating an operation of a tooth brushing pattern analyzing/correcting device according to an embodiment.
  • an internal system is initialized by the controller 132 (S 100 ). Subsequently, when the user starts to brush his/her teeth, the controller 132 checks for the presence of a detecting signal provided from the sensing unit 128 to recognize that the user starts to brush his/her teeth (S 102 ). The controller 132 analyzes the detecting signal to analyze whether the user's tooth brushing motion is good (S 104 ). As an analyzed result, the controller 132 checks whether a user's tooth brushing motion is good (S 106 ).
  • the controller 132 warns the user with voice signals through the speaker 138 or displays warnings for a bad condition on the display 140 (S 122 ).
  • the controller 132 In a case where the user's tooth brushing motion is good, the controller 132 counts this as an effective session (S 108 ) and checks whether the number of effective sessions reaches the number of preset target sessions (S 110 ). In a case where the number of effective sessions reaches the number of target sessions, the controller 132 checks the tooth brushing time (S 112 ). In a case where a fixed time does not elapsed, the controller 132 repeatedly performs operations S 102 to S 112 . If the fixed time elapses at operation S 112 , i.e. the tooth brushing continues for a predetermined time, the controller 132 sends target arrival feedback to the user (S 114 ). The target arrival feedback indicates whether the score has reached the target score.
  • the target arrival feedback may be sent through a voice or visually, and a music desirable to the user may be reproduced and output from the memory 136 so as to impart an incentive to the user.
  • the controller 132 stores a user's monitored tooth brushing data in the memory 136 (S 116 ) and sends end signal to the user (S 118 ).
  • the end signal may also be provided as a voice notice or visual display.
  • the controller 132 If a detecting signal provided from the sensing unit 128 is not checked at operation S 102 , the controller 132 counts the time (S 120 ). If there is no detecting signal for a predetermined time, e.g. 5 seconds, the controller 132 stores the detected condition (S 116 ) and sends end signal to the user (S 118 ).
  • FIGS. 10 and 11 are flowcharts illustrating an operation of a tooth brushing pattern analyzing/correcting device according to another embodiment
  • FIG. 10 is a flowchart
  • FIG. 11 is a flowchart illustrating the score calculation and storing operation of FIG. 10 .
  • the controller 132 senses a user's tooth brushing motion to determine whether the tooth brushing motion is good. In a case where the tooth brushing motion is good, the controller 132 estimates the tooth brushing motion and assigns a score (S 208 ) and displays the score (S 212 ). If the score reaches a target score within a certain time (S 214 ), the controller 132 sends a target score arrival feedback to the user (S 216 ) and stores the score (S 218 ). If the user stops brushing his/her teeth when the user's score has not reached the target score, only the score having been stored in operation S 208 is stored.
  • the controller 132 increases the user's score (S 230 ). If a user's tooth brushing motion is bad, the controller 132 decreases the user's score (S 240 ). Further, the controller 132 stores the detected number of good and bad sessions, the duration, the yielded score and the like (S 232 ). If a fixed time elapses when checking time (S 234 ), the controller 132 adds and stores the scores and then returns to a main program (S 236 ).
  • Table 2 illustrates an example in which the positions of FIG. 3 in Embodiment 1 are awarded scores. That is, it is a table in that a correct tooth brushing method for each of the parts is preset and it is then estimated whether or not the correct tooth brushing method is performed for each of the parts. For example, in a case where a user is a left-handed person, it is assumed that the user mainly brushes his/her teeth from right to left starting with front teeth. Otherwise, assuming that it is initially set that the user brushes his/her teeth from right to left, it means that a toothbrush moves practically.
  • a sensor for sensing this may be configured as a three-axis acceleration sensor, a three-axis angular velocity sensor and a one-axis geometric sensor.
  • the respective portions of teeth are classified into certain parts by the method described below, good and bad tooth brushing patterns for each of the parts are set, and an estimation may be then progressed.
  • Table 2 there are shown examples of the respective sensors capable of classifying into good and bad tooth brushing methods for each of the parts. Accordingly, Table 2 shows examples in which scores can be calculated depending on tooth brushing time and the method for each of the parts.
  • FIGS. 12 to 15 are flowcharts illustrating an entire operation of a tooth brushing pattern analyzing/correcting device according to a further embodiment.
  • a referential tooth brushing pattern is specified by outputting an initial tooth brushing part to a user through a voice
  • the user starts to brush the specified tooth brushing part above and below or left and right referring to this.
  • the toothbrush head 110 moves right and left/above and below or rotates.
  • the sensing unit 128 senses its movement to output a signal to the controller 132 , and the controller 132 analyzes the input signal to determine whether it is a good tooth brushing pattern. If the effective time or number of strokes reaches a predetermined time or the number of target strokes, the controller 132 informs the user of tooth brushing completion for the corresponding part and then a notice for the next tooth brushing part and tooth brushing method.
  • the controller 132 outputs message data having previously been input to the storing unit as a voice or characters through the output unit 180 .
  • tooth brushing pattern analyzing/correcting may have a timer 138 built into the device for measuring user's tooth brushing time.
  • the timer 134 may be used for measuring the length of the tooth brushing time to refer to when the aforementioned comparison and measurement data are compared/operated and for storing the user's tooth brushing time zone to monitor the user's tooth brushing motion pattern shown in FIG. 1 .
  • the controller 132 initializes a system (S 300 ) and generates a message of a voice such as “You have started to brush your teeth” using the output unit 180 such that the user recognizes the start of tooth brushing (S 302 ).
  • the controller 132 outputs a message informing the user of the part that the user should brush first (S 304 ). That is, the controller 132 outputs a message such as “Brush your lower front teeth” such that the user recognizes the part that the user should brush first. Thus, if the user starts to brush the corresponding part referring to the aforementioned message, the controller 132 outputs a message informing the user of a tooth brushing pattern for the corresponding part, such as “Please brush your teeth from bottom to top” (S 306 ).
  • the controller 132 stores the number of strokes and (S 310 ) and again generates a message such as “From bottom to top” (S 312 ). This is repeated a certain number of times until the user performs the tooth brushing in a correct direction (S 314 ). If a predetermined time elapses when measuring the time (S 316 ), the controller 132 generates a message such as “Well done.” (S 318 ) and checks whether the next operation has been completed (S 320 ). If the next operation has not been completed, the controller 132 changes into the mode for the next operation (S 322 ) and generates a message for the next operation such as “Now, brush the outer surface of your lower left molars” (S 324 ).
  • the controller 132 determines that the user performs tooth brushing through a method different from that in the aforementioned message, e.g. from top to bottom at the operation S 308 , it generates a message such as “Please brush your teeth from bottom to top.” (S 326 ), determines the user's motion mode (S 328 ), and stores the motion mode, the number of strokes and time (S 330 ). Subsequently, the controller 132 checks whether the number of strokes is more that the number of effective strokes for a given part (S 332 ). In case the number of strokes is more than the number of effective strokes for another part, the controller 132 changes to another part (S 334 ) and returns to operation S 328 .
  • the controller 132 checks, whether the motion mode is the return direction in the X-axis direction(S 336 ). If it is the return direction at operation S 336 , the controller 132 generates a warning message such as “You may hurt your gums.” (S 338 ) and return to step S 328 . If it is not the return direction at operation S 336 , the controller 132 returns to operation S 308 .
  • the controller 132 If a predetermined amount of time does not elapse at step 316 , the controller 132 generates a warning message such as “Please brush your teeth slowly and a little more softly.” and performs operation 320 .
  • the controller 132 checks whether all the operation have been completed (S 342 ). If not, the controller 132 changes from the present position to a position easy for moving (S 344 ) and performs step operation.
  • the controller 132 performs steps S 346 to S 382 in the same manner as described above.
  • the controller 132 If tooth brushing for all the positions is completed at the operations S 342 and S 380 , the controller 132 generates a message such as “You have brushed your teeth well. Have a nice day!” (S 384 ) and ends the entire operation.
  • the controller 132 immediately feeds back a result comparing and displaying preset and measured values of the referential data to the user in real time so as to advice a correct tooth brushing pattern or allow the user to correct his/her tooth brushing pattern into an effective tooth brushing pattern.
  • the controller 132 stores success or failure for each tooth brushing part as a binary value such as “1” or “0” based on a condition in that the measured value is larger than or identical with the referential value for each of the compared results and a correct tooth brushing pattern in which movement to a direction of each axis is not in excess of the preset value.
  • the controller 132 adds the compared result values for the respective tooth brushing parts and stores the resulting value.
  • FIG. 16 is a chart illustrating a tooth brushing pattern analysis that can be implemented according to an embodiment.
  • an analysis table shown in FIG. 16 can be viewed through an additional program. Such an analysis table may give a user's personal health details, the tooth brushing period, tooth brushing time and feedback therefor, and may give a detailed analysis and feedback for the tooth brushing behavior for each part.
  • Tooth brushing behavior data collected from the tooth brushing pattern analyzing/correcting device 100 configured in such a manner is transmitted to a smart bath 200 , and the data transmitted to the smart bath 200 is transmitted to an oral cavity care center 300 through a home server 250 .
  • FIG. 17 is a block diagram of a system for correcting tooth brushing behavior according to an exemplary embodiment
  • FIG. 18 illustrates the appearance of a smart bath.
  • the system for correcting tooth brushing behavior of an embodiment includes a tooth brushing pattern analyzing/correcting device 100 , a smart bath 200 and an oral cavity care center 300 .
  • the smart bath 200 is connected to the oral cavity care center 300 through a home server 250 .
  • the smart bath 200 includes a controller 202 , a memory 204 , an I/O adaptor 206 , a storing device 208 , a communication adaptor 210 ,_an audio output 212 , a speaker 214 , a display adaptor 216 , a smart mirror 218 , a sensor 220 , an interface adaptor 222 , a toothbrush disinfector 224 , a communication module 226 , a video adaptor 230 and an oral cavity camera 232 .
  • the smart mirror 218 is installed within a bathroom such that it is combined as a part of a mirror 242 of a washing stand 240 .
  • the toothbrush disinfector 224 is mounted on a wall of the washing stand 240 .
  • the oral cavity camera 232 has a structure in that a small-sized camera is attached to its tip together with a lighting device and configured in a toothbrush shape with no bristles for better photographing. In a case where the oral cavity camera 232 is not used, it is kept in the toothbrush disinfector 224 .
  • the smart mirror 218 is combined with the mirror 242 to be used as a normal mirror and also display an image in a screen display mode. Therefore, a user can simultaneously see the image while viewing his/her own reflection brushing his/her teeth through the mirror.
  • the controller 202 includes a CPU (Control Processor Unit) and runs a tooth brushing behavior correcting program
  • the memory 204 may include DRAM, SRAM, EEPROM and/or the like, and is provided as a main memory for operation and data processing.
  • the I/O adaptor 206 connects to the hard disk 208 that is a storage device for the controller 202 .
  • the hard disk 208 may store a tooth brushing behavior correcting program, relative moving picture contents, tooth brushing behavior monitoring data for each user, correcting data and the like.
  • the communication adaptor 210 is used to connect the home server 250 and the smart bath 200 , which may physically connects communication protocols such as LAN, USB, or RS232. It is understood that it can be electronically or optically connected to each other.
  • the display adaptor 216 provides video data to the smart mirror 218 , e.g. a flat display such as LCD, PDP or OLED.
  • the sensor 220 is an infrared or ultrasonic wave human body detecting sensor, which detects human movements and provides a detection result to the controller 202 through the display adaptor 216 .
  • the interface adaptor 222 connects the toothbrush disinfector 224 and the communication module 226 to the controller 202 .
  • the toothbrush disinfector 224 is a place for keeping the tooth brushing pattern analyzing/correcting device 100 and the oral cavity camera 232 when they are not being used.
  • the toothbrush disinfector 224 detects whether or not either of the tooth brushing pattern analyzing/correcting devices 100 is being used and provides a detected result to the controller 202 .
  • the communication module 226 communicates with the tooth brushing pattern analyzing/correcting device 100 by radio to send received tooth brushing behavior monitoring data to the controller 202 , and transmits tooth brushing correcting data or voice data provided from the controller 202 to the tooth brushing pattern analyzing/correcting device 100 .
  • the voice output 212 drives the speaker 214 in response to the voice data provided from the controller 202 to control the voice output 212 .
  • the video adaptor 230 connects the oral cavity camera 232 to the controller 202 .
  • FIG. 19 is a flowchart illustrating control program of the smart bath 200 according to an exemplary embodiment
  • FIGS. 20 and 21 are flowcharts illustrating an example of a correction program
  • FIG. 22 is a view showing a tooth brushing state according to an embodiment.
  • the smart bath 200 initializes a system when a power source is applied (S 400 ) and whose tooth brushing pattern analyzing/correcting device 100 is being used in the toothbrush disinfector 224 (S 402 ). Otherwise, the smart bath 200 checks whether the oral cavity camera 232 is being used (S 404 ). If motion is not sensed from the toothbrush disinfector 224 , the smart bath checks whether it is time for transmission (S 406 ), and transmits the collected tooth brushing behavior data and compliance check data (S 422 ). Otherwise, the smart bath 200 checks whether it is time for updating data (S 408 ).
  • the smart bath 200 downloads guiding screen data, correcting screen data and the likes from the oral cavity care center or a contents provider server so as to periodically update relevant data (S 424 ).
  • the relevant data means a correcting multimedia data or a guiding multimedia data. However, it is not limited thereto.
  • the relevant data may be prepared for based upon the collected tooth brushing behavior data.
  • the smart bath 200 detects this and supplies a power source to the oral cavity camera 232 , for it to be available for operation but in a standby state (S 412 ). Subsequently, if a user presses a photographing switch (not shown), the smart bath 200 turns on the lighting unit 233 to start photographing (S 414 ). The smart bath 200 displays the photographed image on the smart mirror 218 (S 416 ) and stores the displayed image (S 418 ). If the photographing is completed (S 420 ), the smart bath 200 performs an end process and returns.
  • the correcting program of an embodiment checks whether the tooth brushing pattern analyzing/correcting device 100 is being used and then operates (S 410 ).
  • the smart bath 200 checks an identification code (ID) allocated to the used tooth brushing pattern analyzing/correcting device 100 to identify which user's it is (S 430 ). Subsequently, the smart bath 200 displays a guiding screen appropriate for the identified user on the smart mirror 218 as shown in FIG. 22 (S 434 ). For example, if where the user is a child, the smart bath 200 could display the child's favorite animation, “Iruyama” while guiding the child to the correct tooth brushing behavior in a simple way. If children are watching their favorite programs, i.e. animations, at the same time as they brush their teeth, they brush their teeth for a longer.
  • ID identification code allocated to the used tooth brushing pattern analyzing/correcting device 100 to identify which user's it is
  • the user is an adult, a variety of contents such as news programs, dramas or movies may be provided.
  • the user may choose his/her favorite program while brushing his/her teeth.
  • the smart bath 200 displays a warning picture, a picture of tooth decay caused by improper tooth brushing behavior or the like to guide the user to correct tooth brushing behavior (S 444 ).
  • the smart bath 200 checks whether data is received from the tooth brushing pattern analyzing/correcting device 100 (S 446 ) and returns to the node B when received data continuously. If there is no received data at operation S 446 , the smart bath 200 checks whether or not the tooth brushing pattern analyzing/correcting device 100 is located in the toothbrush disinfector 224 (S 448 ). If the tooth brushing pattern analyzing/correcting device 100 is located and no movement is detected by the sensor, the smart bath 200 determines that the tooth brushing has ended (S 452 ).
  • the smart bath 200 checks this (S 451 ) and automatically determines that the tooth brushing has ended.
  • the smart bath 200 arranges tooth brushing behavior data received after operation S 452 and renews data related to the correspondent ID (S 454 ). Subsequently, the smart bath 200 turns off the smart mirror 218 , transmits the renewed data to the oral cavity care center 300 and then ends.
  • FIG. 23 is a view illustrating a configuration of an oral cavity care center according to an embodiment.
  • the oral cavity care center 300 is a host system of a service provider of an embodiment, which may be connected to a smart bath at each home through the Internet. However it is not limited thereto.
  • the oral cavity care center 300 may include a web server 310 , a tooth brushing behavior database 312 , a guiding multimedia database 314 and a correcting multimedia database 316 .
  • the web server 310 is connected to the smart bath 200 through the home server 250 at each home so as to transmit mutual data.
  • the oral cavity care center 300 receives tooth brushing behavior data uploaded in real time to store it for each user ID in the database 312 , and loads guiding multimedia data or correcting multimedia data from the databases 314 and 316 periodically, e.g. by the day, week or month so as to download them to each of the smart baths 200 .
  • the oral cavity care center 300 includes a contents management server 320 , a hospital management server 330 , an insurance company management server 340 and an institution management server 350 .
  • the contents management server 320 manages guiding multimedia data and correcting multimedia data provided from a contents provider 510 to renew/or update the guiding multimedia database 314 and correcting multimedia database 316 or manage a link between a home server 350 and a contents provider server (not shown).
  • the hospital management server 330 manages dental treatment data for each user and the like provided by an affiliated hospital 520 to renew/or update the guiding multimedia database 314 for a user's personal case history management, and manages a link between a home server 250 and an affiliated hospital server (not shown) to directly relay a telemedicine capability between a patient and a dentist.
  • the insurance company management server 340 transmits a user's health related data to an affiliated insurance company 530 to manage a user's insurance data.
  • the institution management server 350 transmits the user's health related data to a governmental institution such as a school or a public health center so as to systematically manage students' tooth brushing behavior by linking homes and the school.
  • a governmental institution such as a school or a public health center
  • the oral cavity care center 300 configured in such a manner receives guiding pictures, a variety of a user's multimedia content, multimedia contents related to tooth brushing and the like, which are provided from the contents provider 510 to a correcting program to manage the guiding multimedia database 314 and correcting multimedia 316 .
  • the guiding multimedia database 312 is built with a user's profile, case history and brief record data such that the oral cavity care center 300 can collect and manage it.
  • tooth brushing behavior analyzation data and feedback data in the database 312 it is possible to supply custom-made information to each user or to provide each user with a rental service of a smart bath system, an oral disease prevention service, a custom-made medical/management organ introduction and location information service, a dental care-related product information and selling service, and a tooth brushing pattern analysis correction device and expendables selling service, etc.
  • the oral cavity care center 300 may introduce a dentist suitable for a user and provide a service such as the relevant insurance guidance in connection with school, an affiliate hospital, or an affiliated health insurance company. That is, the oral cavity care center 300 provides a solution to the school and the public health center, and a nurse-teacher, a dental hygienist and a dentist perform remote and off-line monitoring related to the tooth brushing health of users (students, local residents) as a care provider.
  • the oral cavity care center 300 may be managed with a governmental subsidy and a certain fee paid in return for using the service. Further, the oral cavity care center 300 can monitor behavior and use data on a health care insurance premium related to dental services in accordance with user compliance.
  • the center 300 can provide a solution in connection with dental services and be used in children's tooth brushing tests, automatic analysis or the like.
  • such users' tooth brushing data is transmitted in real time to parents, nurse-teachers, dentists or the like to be care providers for users through SMS (short message service), so that more effective feedback can be provided.
  • the tooth brushing guide screen may mean guiding a user to a correct tooth brushing method
  • the feedback may mean guiding a user to develop correct tooth brushing behavior
  • the subtitles may mean an educational message about people's incorrect tooth brushing patterns, which is displayed in the lower portion of the display.
  • a user's incorrect tooth brushing behavior for a part that cannot be covered mechanically and electrically can be corrected by generating a message such as “If you brush your teeth too roughly, you may hurt your gums quickly”.
  • a strain gauge (not shown) is positioned at the neck of the toothbrush to measure the user's tooth brushing intensity so that it can be additionally incorporated into the embodiments.
  • the most effective tooth brushing part can be seen through a preset tooth brushing pattern, and since it is fed back through an output unit whether or not tooth brushing for each part of the teeth is performed using the a correct method, a user can easily determines his/her own tooth brushing pattern.
  • tooth brushing for each part of the teeth is performed using the correct tooth brushing pattern is stored as a result value or a score in the case of children, parents can easily identify afterwards whether their children brush their teeth or whether the children brush their teeth using the correct tooth brushing pattern.
  • a patient's tooth brushing pattern can be easily evaluated by a dentist or a person working in the field of oral cavity health, medical treatment is improved and prevention is possible by identifying the cause of a patient's toothache and correcting the patient's tooth brushing pattern.
  • an oral cavity health improvement system since real-time or remote feedback suitable for correction of a user's tooth brushing pattern is possible, it is effective for correcting a user's behavior, and since it is possible to analyze a user's accumulated data and feed back a correcting method suitable for each user, a correcting function can be enhanced.
  • the embodiments make children more interested in developing correct tooth brushing behavior and adults to analyze and correct their tooth brushing behavior through real-time or remote feedback.
  • dentists or dental hygienists short on manpower can gain support through networks of remote feedback, so that the efficiency of governmental oral cavity health business can be raised and it can create a new income source for dentists at the same time.

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Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HWANG, JIN-SANG;REEL/FRAME:020126/0225

Effective date: 20071030

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION